EP2523411A3 - Method and device for receiving an imbalanced transmission signal - Google Patents
Method and device for receiving an imbalanced transmission signal Download PDFInfo
- Publication number
- EP2523411A3 EP2523411A3 EP20120166381 EP12166381A EP2523411A3 EP 2523411 A3 EP2523411 A3 EP 2523411A3 EP 20120166381 EP20120166381 EP 20120166381 EP 12166381 A EP12166381 A EP 12166381A EP 2523411 A3 EP2523411 A3 EP 2523411A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- power level
- receiving
- communication signal
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03891—Spatial equalizers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/106,937 US8923377B2 (en) | 2011-05-13 | 2011-05-13 | Methods and devices for receipt of imbalanced transmission signal |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2523411A2 EP2523411A2 (en) | 2012-11-14 |
EP2523411A3 true EP2523411A3 (en) | 2014-04-30 |
EP2523411B1 EP2523411B1 (en) | 2016-04-27 |
Family
ID=46062090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12166381.9A Not-in-force EP2523411B1 (en) | 2011-05-13 | 2012-05-02 | Method and device for receiving an imbalanced transmission signal |
Country Status (3)
Country | Link |
---|---|
US (1) | US8923377B2 (en) |
EP (1) | EP2523411B1 (en) |
CN (1) | CN102780659B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110519186B (en) * | 2018-05-22 | 2022-03-18 | 北京小米松果电子有限公司 | Method, apparatus and storage medium for parameter estimation and electronic device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060159160A1 (en) * | 2005-01-14 | 2006-07-20 | Qualcomm Incorporated | Optimal weights for MMSE space-time equalizer of multicode CDMA system |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7492815B2 (en) | 2004-11-24 | 2009-02-17 | Nokia Corporation | Reduced parallel and pipelined high-order MIMO LMMSE receiver architecture |
US20060146953A1 (en) * | 2004-12-30 | 2006-07-06 | Balaji Raghothaman | Method and apparatus for estimating transmit weights for multiple antennas |
CN101112012A (en) * | 2004-12-30 | 2008-01-23 | 诺基亚公司 | Method and apparatus for estimating transmit weights for multiple antennas |
JP5745748B2 (en) | 2005-11-21 | 2015-07-08 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | Optimal weights for MMSE space time equalizers in multicode CDMA systems |
US7889822B2 (en) * | 2006-09-21 | 2011-02-15 | Broadcom Corporation | Frequency domain equalizer with one dominant interference cancellation for dual antenna radio |
US7889131B2 (en) * | 2007-03-26 | 2011-02-15 | Cisco Technology, Inc. | Beamformed space time code communication with testing spatial signature generation |
US7983353B2 (en) * | 2008-02-25 | 2011-07-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Code power estimation for MIMO signals |
US8781011B2 (en) * | 2008-02-25 | 2014-07-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Receiver parametric covariance estimation for precoded MIMO transmissions |
JP4770939B2 (en) * | 2009-02-13 | 2011-09-14 | ソニー株式会社 | COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION SYSTEM |
US8509705B2 (en) * | 2009-11-02 | 2013-08-13 | Motorola Mobility Llc | Differential closed-loop transmission feedback in wireless communication systems |
WO2012096621A1 (en) * | 2011-01-14 | 2012-07-19 | Telefonaktiebolaget L M Ericsson (Publ) | Antenna weighting in relation to transmisisons from two cells |
-
2011
- 2011-05-13 US US13/106,937 patent/US8923377B2/en active Active
-
2012
- 2012-05-02 EP EP12166381.9A patent/EP2523411B1/en not_active Not-in-force
- 2012-05-11 CN CN201210153858.2A patent/CN102780659B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060159160A1 (en) * | 2005-01-14 | 2006-07-20 | Qualcomm Incorporated | Optimal weights for MMSE space-time equalizer of multicode CDMA system |
Non-Patent Citations (3)
Title |
---|
CLEMENS BUCHACHER ET AL: "A SEMI-BLIND BASE STATION POWER ESTIMATION ALGORITHM FOR INTERFERENCE AWARE HSDPA RECEIVERS", EURASIP, 2010, 27 August 2010 (2010-08-27), pages 1592 - 1596, XP055106956, Retrieved from the Internet <URL:http://ubdocs.uni-klu.ac.at/open/voll/fodok/inf/AC08227251.pdf> [retrieved on 20140311] * |
LENARDI M ET AL: "A RAKE structured SINR maximizing mobile receiver for the WCDMA downlink", CONFERENCE RECORD OF THE 35TH. ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, & COMPUTERS. PACIFIC GROOVE, CA, NOV. 4 - 7, 2001; [ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS], NEW YORK, NY : IEEE, US, 4 November 2001 (2001-11-04), pages 410 - 414vol.1, XP032139740, ISBN: 978-0-7803-7147-7, DOI: 10.1109/ACSSC.2001.986960 * |
QUALCOMM INCORPORATED: "CQI reporting for MIMO UE's when the P-CPICH and S-CPICH have unequal power settings", 3GPP DRAFT; R1-103847_IMPACT UNEQUAL CPICH POWER MIMO, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Dresden, Germany; 20100628, 22 June 2010 (2010-06-22), XP050449262 * |
Also Published As
Publication number | Publication date |
---|---|
US8923377B2 (en) | 2014-12-30 |
CN102780659A (en) | 2012-11-14 |
EP2523411B1 (en) | 2016-04-27 |
EP2523411A2 (en) | 2012-11-14 |
US20120288032A1 (en) | 2012-11-15 |
CN102780659B (en) | 2016-04-13 |
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